Re: Performance issue with O_DIRECT

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Hi Nicholas and Dragan,

On Thu, 17 Sep 2015 23:48:30 -0700, Nicholas A. Bellinger wrote :
> > > Sep 17 02:08:08 storage kernel: Got unknown iSCSI OpCode: 0x43
> > > Sep 17 02:08:08 storage kernel: Cannot recover from unknown opcode while ERL=0, closing iSCSI connection.
> > >
> > >
> > > Taking a look at this now.  
> > 
> > Thanks  
> 
> I'm able to reproduce with v4.3-rc1 code.
> 
> Note this bug is not specific to MC/S operation, and appears to be a
> regression specific to MSFT iSCSI initiators.
> 
> Still debugging this, but should have a bug-fix soon.
> 
> Thanks alot for reporting this.

I performed a git bisect between Linux v4.1 and v4.2 and the bad commit
is one of my commits:

  c04a609 iscsi-target: remove support for obsolete markers

I am looking at the issue right now.

With best regards,

-- 
Christophe Vu-Brugier
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